Best HVAC companies in Issaquah, WA

The highest-scoring HVAC company in and near Issaquah is Greenwood Heating and Home Services (score 90, 4.9 stars from 5,046 Google reviews). 43 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

Last updated Nov 1, 2026How we rank
  1. 1

    Greenwood Heating and Home Services

    4.9 · 5,046 Google reviewsTukwila, WA108 years in business

    Greenwood Heating and Home Services serves the Greater Seattle Metro Area with heating, air conditioning, electrical, plumbing, and restoration work. The locally owned, family-owned company has served the Seattle area…

    Emergency service
    90SCORE
  2. 2

    As You Wish Electric, Plumbing, Heating & Air

    4.9 · 3,460 Google reviewsSeattle, WA20 years in business

    As You Wish Electric, Plumbing, Heating & Air provides home comfort services across Seattle and the Greater Puget Sound area. Established by Sean Moncrief in Kirkland in 2006, the company began with electrical work an…

    Financing availableEmergency service
    90SCORE
  3. 3

    Fast Water Heater Company

    4.9 · 2,639 Google reviewsWoodinville, WA40 years in business

    Fast Water Heater Company provides water heater installation, replacement, repair, maintenance, and warranty service across Washington, Oregon, Northern California, and Southern California. The company has served the…

    Financing availableEmergency service
    90SCORE
  4. 4

    Eco Electric, Plumbing, Heating and Air

    4.9 · 2,490 Google reviewsSeattle, WA

    Eco Electric, Plumbing, Heating and Air provides electrical, plumbing, heating, cooling, and indoor air quality work in Seattle and communities around Puget Sound. Its heating and cooling services cover air conditione…

    Financing availableEmergency service
    82SCORE
  5. 5

    StarDucts

    5.0 · 172 Google reviewsRenton, WA15 years in business

    StarDucts provides residential and commercial duct and vent services in Seattle and surrounding areas. Its cleaning work includes air ducts, dryer vents, roof dryer vents, furnaces, commercial air ducts, and commercia…

    InsuredBondedFamily-ownedFree estimates
    82SCORE
  6. 6

    Pure Air Cooling & Heating

    5.0 · 409 Google reviewsKirkland, WA
    79SCORE
  7. 7

    Pearce Heating & A/C

    5.0 · 393 Google reviewsRedmond, WA
    79SCORE
  8. 8

    South West Plumbing, Heating, Air, & Electric

    4.8 · 11,934 Google reviewsSeattle, WA
    78SCORE
  9. 9

    Insulation Co

    5.0 · 288 Google reviewsSeattle, WA
    77SCORE
  10. 10

    Fuse Service

    5.0 · 220 Google reviewsKirkland, WA
    77SCORE
  11. 11

    Harts Plumbers, Electricians, & HVAC Technicians

    4.8 · 1,444 Google reviewsTukwila, WA
    76SCORE
  12. 12

    One Hour Heating & Air Conditioning Newcastle

    5.0 · 133 Google reviewsTukwila, WA
    76SCORE
  13. 13

    Prime Systems Heating and Air Conditioning

    5.0 · 143 Google reviewsKirkland, WA
    75SCORE
  14. 14

    Ballard Heating, Cooling, Electric & Plumbing

    5.0 · 113 Google reviewsRedmond, WA
    75SCORE
  15. 15

    Evergreen Home Heating and Energy

    4.8 · 1,013 Google reviewsSeattle, WA
    74SCORE
  16. 16

    Glendale Heating & Air Conditioning

    4.8 · 739 Google reviewsBurien, WA
    74SCORE
  17. 17

    All Climate Heating & Air Conditioning

    4.8 · 723 Google reviewsRedmond, WA
    74SCORE
  18. 18

    Washington Water Heaters, Heating & Air Conditioning

    4.9 · 321 Google reviewsRenton, WA
    74SCORE
  19. 19

    Product Air Heating, Cooling, and Electric Seattle

    5.0 · 99 Google reviewsSeattle, WA
    74SCORE
  20. 20

    Agni Heating & Cooling

    5.0 · 86 Google reviewsBellevue, WA
    74SCORE
  21. 21

    Trusted Plumbing & Heating

    4.8 · 473 Google reviewsRenton, WA
    73SCORE
  22. 22

    Tempra HVAC

    5.0 · 83 Google reviewsBellevue, WA
    73SCORE
  23. 23

    A-Service

    5.0 · 75 Google reviewsBellevue, WA
    73SCORE
  24. 24
    72SCORE
  25. 25

    Green House Plumbing and Heating

    4.8 · 446 Google reviewsKirkland, WA
    71SCORE
  26. 26

    Cardinal Heating & Air

    4.7 · 698 Google reviewsKirkland, WA
    70SCORE
  27. 27

    Ventflow Dryer Vent And Air Duct Cleaning Service

    5.0 · 154 Google reviewsKent, WA
    InsuredFamily-ownedFree estimates
    70SCORE
  28. 28

    Integrity Energy Systems

    4.7 · 255 Google reviewsSeattle, WA
    67SCORE
  29. 29

    Evergreen Cleaning Air

    5.0 · 69 Google reviewsSeattle, WA
    67SCORE
  30. 30

    Mark’s Mini Splits

    5.0 · 51 Google reviewsSeattle, WA
    66SCORE

We list only companies that clear our published bar, so this area is still filling in. As more HVAC companies near Issaquah qualify, they'll appear here automatically.

Compare the top 10

Top HVAC companies in Issaquah by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Greenwood Heating and Home Services904.95,046108Tukwila
2As You Wish Electric, Plumbing, Heating & Air904.93,46020Seattle
3Fast Water Heater Company904.92,63940Woodinville
4Eco Electric, Plumbing, Heating and Air824.92,490–Seattle
5StarDucts825.017215Renton
6Pure Air Cooling & Heating795.0409–Kirkland
7Pearce Heating & A/C795.0393–Redmond
8South West Plumbing, Heating, Air, & Electric784.811,934–Seattle
9Insulation Co775.0288–Seattle
10Fuse Service775.0220–Kirkland

HVAC companies in Issaquah: quick answers

Who is the highest-rated HVAC company in Issaquah, WA?

Greenwood Heating and Home Services has the highest 5 Star Score among HVAC companies in and near Issaquah: 90 out of 100, with a 4.9 star Google rating from 5,046 reviews.

How many 5 Star HVAC companies serve Issaquah?

43 HVAC companies meet our standard within about 16 miles of Issaquah: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 35,891 Google reviews between them, averaging 4.91 stars.

How are these HVAC companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

HVAC companies near Issaquah

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.